HR5 series fuse-switch disconnector ,is mainly applied to circuit of power-distribution and motor which rated voltage AC380V and AC660V(45-62Hz),conventional thermal current up to 630A, and have the high short-circuit current. It works as power-supply switch,emergency switch and circuit protector,but usually is not as motor indirect starter . This product conforms to standard of IEC60947-3,GB14048.3.
Normal operational conditions and installation conditions
3.1 Temperater: no higher than +40ºC,and no lower than -5ºC,and the day average temperature no higher than +35ºC.
3.2 Altitude: no higher than 2000m
3.3 The relative humidity: no more than 50%,when temperature is +40ºC.The product can withstand higher humidity under lower temperature,for instance,when it at +20ºC,the production can withstand 90% relative humidity.
The condensation that happened because of temperature changes should be taken care.
And Installation location should have no exploresion danger, and no gas and conductive dust which can cause corrosion and insulation damage.
3.4 Class of pollution: 3 Calss
3.6 Installation type:III, IV.
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Main technical parameter
|Rated insulation voltage V|| ||690V|
|Rated operate voltage|| ||380V,660V|
|Rated operate current||380V||100A,200A,400A,630A|
|Life||Mechanical life||3000 times(100A,200A),|
|Electrical life||600 times(100A,200A),|
|Auxiliary switch||Rated operate voltage||AC 380V|
|Rated conventional current||6A|
|Rated control capacity||300VA|